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Message-ID: <20240325181923.48769-8-kuniyu@amazon.com>
Date: Mon, 25 Mar 2024 11:19:22 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
<pabeni@...hat.com>, David Ahern <dsahern@...nel.org>
CC: Joanne Koong <joannelkoong@...il.com>, Jianguo Wu <wujianguo106@....com>,
Kuniyuki Iwashima <kuniyu@...zon.com>, Kuniyuki Iwashima
<kuni1840@...il.com>, <netdev@...r.kernel.org>
Subject: [PATCH v1 net 7/8] selftest: tcp: Add bind() tests for IPV6_V6ONLY.
bhash2 was not well tested for IPv6-only sockets.
This patch adds test cases where we set IPV6_V6ONLY for per-fixture
bind() calls if variant->ipv6_only[i] is true.
Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>
---
tools/testing/selftests/net/bind_wildcard.c | 116 ++++++++++++++++++++
1 file changed, 116 insertions(+)
diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index 4ecd3835f33c..6d7f02441b9d 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -42,6 +42,7 @@ FIXTURE_VARIANT(bind_wildcard)
{
sa_family_t family[2];
const void *addr[2];
+ bool ipv6_only[2];
/* 6 bind() calls below follow two bind() for the defined 2 addresses:
*
@@ -87,6 +88,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any_only)
+{
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_any, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
{
.family = {AF_INET, AF_INET6},
@@ -127,6 +139,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any_only)
+{
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_loopback, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
{
.family = {AF_INET, AF_INET6},
@@ -168,6 +191,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_any)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_any, &in4addr_any},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
{
.family = {AF_INET6, AF_INET},
@@ -178,6 +212,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_local)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_any, &in4addr_loopback},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
{
.family = {AF_INET6, AF_INET},
@@ -249,6 +294,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_loopback},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, EADDRINUSE,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
@@ -259,6 +315,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_v4mapped_any},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
@@ -269,6 +336,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_v4mapped_loopback},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
{
.family = {AF_INET6, AF_INET6},
@@ -279,6 +357,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any_only)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_loopback, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, EADDRINUSE,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
@@ -309,6 +398,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any_only)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_any, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
@@ -339,6 +439,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any_only)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_loopback, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
{
.family = {AF_INET6, AF_INET6},
@@ -415,6 +526,11 @@ void bind_socket(struct __test_metadata *_metadata,
self->fd[i] = socket(self->addr[i].addr.sa_family, SOCK_STREAM, 0);
ASSERT_GT(self->fd[i], 0);
+ if (i < 2 && variant->ipv6_only[i]) {
+ ret = setsockopt(self->fd[i], SOL_IPV6, IPV6_V6ONLY, &(int){1}, sizeof(int));
+ ASSERT_EQ(ret, 0);
+ }
+
self->addr[i].addr4.sin_port = self->addr[0].addr4.sin_port;
ret = bind(self->fd[i], &self->addr[i].addr, self->addrlen[i]);
--
2.30.2
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